.slider {
    margin: 0;
    padding-top: 400px;
    padding-bottom: 50px;
    height: auto;
    overflow: hidden;
    position: fixed;
    bottom: 15px;
    left: 0;
    width: 100%;
    transform: none;
    max-width: none;
    /* Usunięcie linear-background stąd */
    background: transparent;
    z-index: 20;
}

/* Nowy kontener na tło gradnientu, który jest always full-width */
.slider-background {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 500px; /* Wysokość gradientu */
    background: linear-gradient(to top, #000 20%, transparent 100%);
    pointer-events: none;
    z-index: 19;
}

/* Kontener na zawartość slidera z ograniczeniem szerokości */
.slider .slide-track-container {
    max-width: 1300px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    /* Maskowanie boków tylko wewnątrz kontenera */
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.slider img {
    filter: grayscale(100%) brightness(1.05);
    opacity: 0.4;
    transform: translateZ(0);
    transition: filter 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform, filter, opacity;
    transform: scale(0.95);
}

.slider::before,
.slider::after {
    content: "";
    height: 85px;
    position: absolute;
    width: 50px;
    z-index: 2;
    top: 0;
    pointer-events: none;
}
.slider::after {
    right: 0;
    transform: rotateZ(180deg);
}
.slider::before {
    left: 0;
}

.slide-track {
    display: flex;
    will-change: transform;
}

.slide {
    height: 85px;
    flex: 0 0 130px;
    padding: 0 10px;
    box-sizing: border-box;
}

.slide img { display: block; width: 100%; height: 100%; object-fit: contain; }

.slide img:hover,
.slide img:focus-visible {
    opacity: 0.95;
    filter: grayscale(0) brightness(1.0) drop-shadow(0 8px 20px rgba(0, 0, 0, 0.35));
    transform: scale(1);
}

.slider-title {
    position: fixed;
    bottom: 150px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 22;
    pointer-events: none;
}

.slider-title h2 {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1.2px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    margin-bottom: 10px;
    font-family: Seravek, 'Gill Sans Nova', Ubuntu, Calibri, 'DejaVu Sans', source-sans-pro, sans-serif;
}

@media (max-width: 768px) {
    .slider-background {
        height: 300px;
    }
    
    .slider {
        padding-top: 200px;
        padding-bottom: 40px;
    }
    
    .slider-title {
        bottom: 120px;
    }
    
    .slider-title h2 {
        font-size: 14px;
        letter-spacing: 1px;
    }

    .slide {
        flex: 0 0 100px;
        height: 65px;
    }
    
    .slider::before,
    .slider::after {
        height: 65px;
        width: 30px;
    }
}